Home / 1,291,986.22-1,782,923.58-719,026.24

Finding the Fourth Proportional to 1,291,986.22, 1,782,923.58 and 719,026.24

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Solution

The fourth proportional to 1,291,986.22, 1,782,923.58 and 719,026.24 is: 992,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,986.22 : 1,782,923.58 = 719,026.24 : x
  2. Step 2: Convert to fraction form
    1,291,986.22/1,782,923.58 = 719,026.24/x
  3. Step 3: Cross multiply
    1,291,986.22x = 1,782,923.58 × 719,026.24
  4. Step 4: Simplify right side
    1,291,986.22x = 1,281,968,837,934.74
  5. Step 5: Solve for x
    x = 1,281,968,837,934.74/1,291,986.22
  6. Step 6: Final answer
    x = 992,246.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.